package com.smartlbs.baseframe.utils;

import com.alibaba.druid.util.StringUtils;

import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.util.Date;
import java.util.Properties;

public class MailUtils {
	
	    //发件人地址
	    public static String senderAddress = "lidy@idaowei.com";
	    //收件人地址
	    public static String recipientAddress =   ConfigFileUtils.getPropertyString("mail");
	    //发件人账户名  ConfigFileUtils.getPropertyString("mail")
	    public static String senderAccount = "lidy@idaowei.com";
	    //发件人账户密码
	    public static String senderPassword = "gur23Lub3rTD9BA4";
	     
	    public static void Send(String text) throws Exception {
	        //1、连接邮件服务器的参数配置
	        Properties props = new Properties();
	        //设置用户的认证方式
	        props.setProperty("mail.smtp.auth", "true");
	        //设置传输协议
	        props.setProperty("mail.transport.protocol", "smtp");
	        //设置发件人的SMTP服务器地址
	        props.setProperty("mail.smtp.host", "smtp.exmail.qq.com");
	        //2、创建定义整个应用程序所需的环境信息的 Session 对象
	        Session session = Session.getInstance(props);
	        //设置调试信息在控制台打印出来
	        session.setDebug(true);
	        //3、创建邮件的实例对象
	        if(!StringUtils.isEmpty(recipientAddress)){
	        	Message msg = getMimeMessage(session,text);
		        //4、根据session对象获取邮件传输对象Transport
		        Transport transport = session.getTransport();
		        //设置发件人的账户名和密码
		        transport.connect(senderAccount, senderPassword);
		        //发送邮件，并发送到所有收件人地址，message.getAllRecipients() 获取到的是在创建邮件对象时添加的所有收件人, 抄送人, 密送人
		        transport.sendMessage(msg,msg.getAllRecipients());
		         
		        //如果只想发送给指定的人，可以如下写法
		        //transport.sendMessage(msg, new Address[]{new InternetAddress("xxx@qq.com")});
		         
		        //5、关闭邮件连接
		        transport.close();
	        }
	        
	    }
	     
	    /**
	     * 获得创建一封邮件的实例对象
	     * @param session
	     * @return
	     * @throws MessagingException
	     * @throws AddressException
	     */
	    public static MimeMessage getMimeMessage(Session session,String text) throws Exception{
	        //创建一封邮件的实例对象
	        MimeMessage msg = new MimeMessage(session);
	        //设置发件人地址
	        msg.setFrom(new InternetAddress(senderAddress));
	        /**
	         * 设置收件人地址（可以增加多个收件人、抄送、密送），即下面这一行代码书写多行
	         * MimeMessage.RecipientType.TO:发送
	         * MimeMessage.RecipientType.CC：抄送
	         * MimeMessage.RecipientType.BCC：密送
	         */
	        msg.setRecipient(MimeMessage.RecipientType.TO,new InternetAddress(recipientAddress));
	        //设置邮件主题
	        msg.setSubject("数据预警","UTF-8");
	        //设置邮件正文
	        msg.setContent(text, "text/html;charset=UTF-8");
	        //设置邮件的发送时间,默认立即发送
	        msg.setSentDate(new Date());
	         
	        return msg;
	    }
}
